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Figure 11


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(a, c, and e) Spectrograms and (b, d, and f) periodograms of measurements with a duration of 2 s. Z-weighted equivalent continuous sound pressure levels Lp,Z,eq 2 s (a and b) for the continuous mode, (c and d) for the repetitively pulsed mode and (e and f) for welding a workpiece.

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